16. Josh sells hot chocolate for $250 per un and s'mores for $150 por 5 more. He has set a personal goal to make 5160 in sales. Let hot chocolate beard s'mores be
a) write an espation that represents the wonder of curs of hot chocolate and weiger of s'mores that might have
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6.) Calculate the and forcepts of the couto

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables